POLY-(DIPHENYLPHOSPHINYLMETHYL)ARENES - NEW ORGANOPHOSPHORUS EXTRACTANTS OF TRANS-PLUTONIUM ELEMENTS |
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| Authors: | BF Myasoedov GV Bodrin MK Chmutova NE Kochetkova TYa Medved YuM Pollkarpov |
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| Affiliation: | Vernadsky Institute of Geochemistry and Analytical Chemistry, USSR Academy of Sciences , Moscow, U.S.S.R |
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| Abstract: | ABSTRACT The extraction properties of poly-(diphenylphosphinylmethyl) arenes in which the fragments of different methyl substituted aromatic compounds serve as hard bridges connecting the P=0 functional groups was studied. The extraction of trivalent transplutonium elements and rare earth elements, uranium (VI), plutonium (IV) by chloroform solutions of these reagents as function of HNO3, and ligands concentration was investigated. The selectivity of reagents was found to depend only on mutual arrangement of P=0 groups in the bridge regardless of their number. Conformational analysis of the reagents described have been used to establish their structure and cause of their selectivity with respect to one or another element. |
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